Emerson Rosemount 3408 Reference Manual page 74

Service and troubleshooting
September 2022
Measured value jumps to a lower value
Figure 7-5: Symptom
A. Level
B. Time
C. Actual level
D. Reported level
Possible cause
Multiple products in the tank, e.g. thin oil layer on top of water that is sometimes
detected, sometimes not.
Recommended actions
•
Related information
Double surface handling
74
A
C
D
Set Double Surface Handling to Track Upper Surface or Track Lower Surface.
Reference Manual
00809-0100-4418
B
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